I am now hypo fro RAI due to Graves. Ive read on thyroid forums that b12 should be on the higher side of range for thyroxin to be absorbed. Please can anyone on the forum advise me if I need to raise this level with b12 vits or sublingual? Many thanks nezzykins
My active b12 blood says 390. Range s... - Pernicious Anaemi...
My active b12 blood says 390. Range says 191 - 663. Advice appreciated.
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